OpenTechnical

OT-2026-000039375

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000039375) never changes.

Identity and time

Publication numberOT-2026-000039375 · never reused
Internal UUID01a0ae78-9675-76f2-a337-69b797cd1b15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039375
StatusPUBLIC

Content hashes

Canonical text1c2e41ced4d4f40687c0697a132067be0f371ca8ebe4a8897f3210561f5dc083
Markdown2bed0e9dbaec4e7729b7942a240f9b2408671373034da388b4eccea0950d2e01
PDF
Publication paged58518af4f028be3fb296a24ad7ab39646ad8cbf954b56514d1b9bf05f370c50
Manifest254846f6db3fc615ab1c6ccf4aa768777cfb12180c0e6379bf3390d03f473157

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureCDQOi+hzcs/N0K78YnSzCNx/EEgy4A64hgkQ6gqqAeG6sAMSpoNG8rUFBUyirbacBpW1EoIun0mdu+O1AJNJDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:20:58.830749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039375
observed d58518af4f028be3fb296a24ad7ab396...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:58.813187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039375/manifest.json
observed 254846f6db3fc615ab1c6ccf4aa76877...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:58.796080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039375/publication.md
observed 2bed0e9dbaec4e7729b7942a240f9b24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:58.779398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039375/publication.txt
observed 1c2e41ced4d4f40687c0697a132067be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.